Q:How do you do routine maintenance of projection bulb?

Avoid pulling out the power directlyThe projector is turned off, the cooling fan will still rely on the power at high speed in operation within a period of time, the main intention to do so, is to make long-term use after the bulb can cool to the lowest temperature, then reduced when the electricThe fan stopped working after natural cooling time of the bulb, so when the user in the use of end projection, advocate to fan stopped completely after the operation, and then unplug the power, so to ensure the projection on each after using, can shorten the naturalThe cooling time, but also directly to extend his lighting effect. Some special needs, that is, the end of the business people, now on the market already has the "on or off" function of the projector, are equipped with a small electrical storage, canCut off the power supply after the fan can be enough to ensure the continued operation until the heat dissipated, it can be cut off the power supply will be the end of the presentation can take the projector.

Q:Where is the projection lamp?

Buy projection lights, logo lights, the first choice of Zhengzhou Le Di photoelectric. Zhengzhou Le Di photoelectric technology, from 2013 November began to develop, produce projection lamp series products, in 2014 March, the company's first generation of logo projection lamp series products available, and in the market has made great repercussions. In 2014 October, Zhengzhou Yue Di photoelectric new 2000 square professional workshop, from Japan to introduce professional semi-automatic production equipment, 3Strip projection lamp assembly line complete.

Q:What are the yellow, green, brown, and blue wires of the LED projection lamp?

From the color point of view, it should be the power cord. Brown is the line of fire, blue is the zero line, and the yellow green double color line is the ground wire (the ground wire is compulsory, must use the yellow green wire)

Q:Why is the projector still bright after the Harvard H6 sports car locks?

It has a delay and lights itself out. 4S shop professional technicians, 10 minutes to solve. ]

Q:Homemade revolving color diamond, sky projection lamp, process video

Make your best to achieve the best publicity publicity.GOBO projection lamp. Pattern LOGO projection lamp. It is suitable for the exhibition of Museum Exhibition Gallery Exhibition 2002 - shaped collector performance and shape brand marketing, PUB, KTV, Cara OK, coffee shops, department stores and other advertising market atmosphere will leave people make a special impression, due to the replacement of advertising only need to change the pattern piece without the traditional Poster Sign Making for a long time the price is expensive, the product saves time and money;

Q:How about an outdoor projection lamp?

(2) easy to make and installThe installation of the traditional light box is time-consuming and laborious, and consumes a lot of manpower and material resources, but it can not attract the sight of consumers for a long time. Dynamic projection advertising will help you save all the inconveniences and allow you to finish the tedious tasks in a short time.

Q:it is necessary to tear off the outer protective film, how to tear it? You can't see it. It's annoying!

Yes, there's a plastic film. It's easy. Take a film on the edge, all torn down.

Q:But I don't know whether the actual effect is worth buying or not. Have you bought any of the actual pictures you used? Thank you!

High quality and low price Alibaba wholesale procurement market - Adult Science four seasons star projection lamp, adult science four seasons constellation... I think we are most concerned about the Department of what? How is the effect of the lamp?. Note that the actual effect of the propaganda effect dark figure...

Q:How much is the overhead projector at the entrance?

If it's an ordinary one with a memory card, more than 100 is OK; if you need an internal surveillance video device, five hundred to one thousand

Q:Are there any projection lights that can be used in major cities?

We not only provide customers with full service from product selection, installation, training and customer service tracking, but also provide a private customized services for customers from all over the world, to meet the individual needs of different customers.Le Di photoelectric projection, creative advertising, science and technology and art interpretation!